diff --git a/composer/message/instance.py b/composer/message/instance.py
index 1e0f889..86666fd 100644
--- a/composer/message/instance.py
+++ b/composer/message/instance.py
@@ -62,7 +62,7 @@ class MessageInstance(Instance):
         if self.client is None:
             return ''
         if zope29:
-            path = self.client.manager.getPhysicalPath()
+            path = self.client.manager.getPhysicalPath()[:-3]
             url = request.physicalPathToURL(path)
         else:
             url = absoluteURL(self.client.manager, request)
diff --git a/organize/browser/service.py b/organize/browser/service.py
index ab67c4d..e718864 100644
--- a/organize/browser/service.py
+++ b/organize/browser/service.py
@@ -207,6 +207,7 @@ class CheckoutView(ServiceManagerView):
             result.append(dict(service=service.title,
                                fromTo=self.getFromTo(service),
                                location=service.location,
+                               locationUrl=service.locationUrl,
                                number=reg.number,
                                serviceObject=service))
         return result
@@ -223,7 +224,12 @@ class CheckoutView(ServiceManagerView):
     def listRegistrationsText(self):
         result = []
         for info in self.getRegistrationsInfo():
-            line = '\n'.join((info['service'], info['fromTo'], info['location']))
+            location, locationUrl = info['location'], info['locationUrl']
+            if locationUrl.startswith('/'):
+                locationUrl = self.request.get('SERVER_URL') + locationUrl
+            locationInfo = (locationUrl and '%s (%s)' % (location, locationUrl)
+                                        or location)
+            line = '\n'.join((info['service'], info['fromTo'], locationInfo))
             if info['serviceObject'].allowRegWithNumber:
                 line += '\nTeilnehmer: %s\n' % info['number']
             result.append(line)
@@ -251,9 +257,13 @@ class CheckoutView(ServiceManagerView):
     def listRegistrationsHtml(self):
         result = []
         for info in self.getRegistrationsInfo():
+            location, locationUrl = info['location'], info['locationUrl']
+            locationInfo = (locationUrl
+                        and ('<a href="%s">%s</a>'  % (locationUrl, location))
+                        or location)
             line = self.row % (info['number'], info['service'],
-                        info['fromTo'].replace(' ', '&nbsp;&nbsp;'),
-                        info['location'])
+                               info['fromTo'].replace(' ', '&nbsp;&nbsp;'),
+                               locationInfo)
             result.append(line)
         return self.html % '\n'.join(result)
 
diff --git a/organize/interfaces.py b/organize/interfaces.py
index 58d1d4c..6c1feba 100644
--- a/organize/interfaces.py
+++ b/organize/interfaces.py
@@ -261,9 +261,14 @@ class IService(Interface):
                 description=_(u'Web address (URL) for more information '
                         'about the service.'),
                 required=False,)
-    infoUrl = schema.TextLine(
+    info = schema.TextLine(
                 title=_(u'Additional information'),
-                description=_(u'Web address (URL) of a document that '
+                description=_(u'Name/title of a document or web page that '
+                        'offers additional information.'),
+                required=False,)
+    infoUrl = schema.TextLine(
+                title=_(u'URL for additional information'),
+                description=_(u'Web address (URL) of a document or web page that '
                         'offers additional information.'),
                 required=False,)